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// Copyright 2020 The gVisor Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package network
import (
"fmt"
"testing"
"gvisor.dev/gvisor/pkg/test/dockerutil"
"gvisor.dev/gvisor/test/benchmarks/tools"
)
// see Dockerfile '//images/benchmarks/nginx'.
var nginxDocs = map[string]string{
"notfound": "notfound",
"1Kb": "latin1k.txt",
"10Kb": "latin10k.txt",
"100Kb": "latin100k.txt",
"1Mb": "latin1024k.txt",
"10Mb": "latin10240k.txt",
}
// BenchmarkNginxConcurrency iterates the concurrency argument and tests
// how well the runtime under test handles requests in parallel.
func BenchmarkNginxConcurrency(b *testing.B) {
concurrency := []int{1, 25, 100, 1000}
for _, c := range concurrency {
for _, tmpfs := range []bool{true, false} {
fs := "Gofer"
if tmpfs {
fs = "Tmpfs"
}
name := fmt.Sprintf("%d_%s", c, fs)
b.Run(name, func(b *testing.B) {
hey := &tools.Hey{
Requests: c * b.N,
Concurrency: c,
Doc: nginxDocs["10kb"], // see Dockerfile '//images/benchmarks/nginx' and httpd_test.
}
runNginx(b, hey, false /* reverse */, tmpfs /* tmpfs */)
})
}
}
}
// BenchmarkNginxDocSize iterates over different sized payloads, testing how
// well the runtime handles sending different payload sizes.
func BenchmarkNginxDocSize(b *testing.B) {
benchmarkNginxDocSize(b, false /* reverse */, true /* tmpfs */)
benchmarkNginxDocSize(b, false /* reverse */, false /* tmpfs */)
}
// BenchmarkReverseNginxDocSize iterates over different sized payloads, testing
// how well the runtime handles receiving different payload sizes.
func BenchmarkReverseNginxDocSize(b *testing.B) {
benchmarkNginxDocSize(b, true /* reverse */, true /* tmpfs */)
}
// benchmarkNginxDocSize iterates through all doc sizes, running subbenchmarks
// for each size.
func benchmarkNginxDocSize(b *testing.B, reverse, tmpfs bool) {
for name, filename := range nginxDocs {
concurrency := []int{1, 25, 50, 100, 1000}
for _, c := range concurrency {
fs := "Gofer"
if tmpfs {
fs = "Tmpfs"
}
benchName := fmt.Sprintf("%s_%d_%s", name, c, fs)
b.Run(benchName, func(b *testing.B) {
hey := &tools.Hey{
Requests: c * b.N,
Concurrency: c,
Doc: filename,
}
runNginx(b, hey, reverse, tmpfs)
})
}
}
}
// runNginx configures the static serving methods to run httpd.
func runNginx(b *testing.B, hey *tools.Hey, reverse, tmpfs bool) {
// nginx runs on port 80.
port := 80
nginxRunOpts := dockerutil.RunOpts{
Image: "benchmarks/nginx",
Ports: []int{port},
}
nginxCmd := []string{"nginx", "-c", "/etc/nginx/nginx_gofer.conf"}
if tmpfs {
nginxCmd = []string{"sh", "-c", "mkdir -p /tmp/html && cp -a /local/* /tmp/html && nginx -c /etc/nginx/nginx.conf"}
}
// Command copies nginxDocs to tmpfs serving directory and runs nginx.
runStaticServer(b, nginxRunOpts, nginxCmd, port, hey, reverse)
}
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